docs: def raw_request(self, method, resource, access_token=None, **kwargs):
          """
          Makes a HTTP request and returns the raw
          :class:`~requests.Response` object.
  
          """
          headers = self._pop_headers(kwargs)
          headers['Authorization'] = self._get_authorization_header(access_token)
          url = self._get_resource_url(resource)
          return self.session.request(method, url, allow_redirects=True, headers=headers, **kwargs)